#HydraUSB3 WCH CH56x opensource toolchain (Linux/Windows) based on xPack GNU RISC-V Embedded GCC v12.2.0-1 is available
https://github.com/hydrausb3/riscv-none-elf-gcc-xpack
See also pre-built toolchain:
https://github.com/hydrausb3/riscv-none-elf-gcc-xpack/releases/tag/12.2.0-1
Thanks to David Carne / davidcarne for the Patch
For more details on HydraUSB3 see https://github.com/hydrausb3